#define MAX_PAYLOAD 1400
#define PACKET_SIZE 1400 //每个以太帧封装1400字节上层数据

char sour_addr[6] = {0x00, 0x0c, 0x29, 0xf1, 0xcc, 0x6a};
char dst_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
//char dst_addr[6] = {0x00, 0x0c, 0x29, 0xd3, 0x02, 0x4e};

char * net_dev_name = "eth0";
